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Merge pull request #2832 from rsfb/master

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hcd62121: Small fixes to get GRAPH mode working
This commit is contained in:
R. Belmont 2017-11-23 18:53:16 -05:00 committed by GitHub
commit 530acee8e4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 12 deletions
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29
src/devices/cpu/hcd62121/hcd62121.cpp
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@ -701,10 +701,12 @@ inline void hcd62121_cpu_device::op_addb(int size)
bool zero_low = true;
u8 carry = 0;
set_cl_flag((m_temp1[size-1] & 0x0f) + (m_temp2[size-1] & 0x0f) > 9);
for (int i = 0; i < size; i++)
{
if (i == size - 1) {
set_cl_flag((m_temp1[i] & 0x0f) + (m_temp2[i] & 0x0f) + carry > 9);
}
int num1 = (m_temp1[i] & 0x0f) + ((m_temp1[i] & 0xf0) >> 4) * 10;
int num2 = (m_temp2[i] & 0x0f) + ((m_temp2[i] & 0xf0) >> 4) * 10;
@ -734,10 +736,12 @@ inline void hcd62121_cpu_device::op_subb(int size)
bool zero_low = true;
u8 carry = 0;
set_cl_flag((m_temp1[size-1] & 0x0f) < (m_temp2[size-1] & 0x0f));
for (int i = 0; i < size; i++)
{
if (i == size - 1) {
set_cl_flag((m_temp1[i] & 0x0f) - (m_temp2[i] & 0x0f) - carry < 0);
}
int num1 = (m_temp1[i] & 0x0f) + ((m_temp1[i] & 0xf0) >> 4) * 10;
int num2 = (m_temp2[i] & 0x0f) + ((m_temp2[i] & 0xf0) >> 4) * 10;
@ -766,8 +770,6 @@ inline void hcd62121_cpu_device::op_sub(int size)
bool zero_low = true;
u8 carry = 0;
set_cl_flag((m_temp1[0] & 0x0f) < (m_temp2[0] & 0x0f));
for (int i = 0; i < size; i++)
{
if (i == size - 1) {
@ -1480,10 +1482,10 @@ void hcd62121_cpu_device::execute_run()
}
break;
case 0xC0: /* movb reg,i8 */ // TODO - test
//case 0xC0: /* movb reg,i8 */ // TODO - test
case 0xC1: /* movw reg,i16 */
case 0xC2: /* movw reg,i64 */ // TODO - test
case 0xC3: /* movw reg,i80 */ // TODO - test
//case 0xC2: /* movw reg,i64 */ // TODO - test
//case 0xC3: /* movw reg,i80 */ // TODO - test
{
int size = datasize(op);
u8 reg = read_op();
@ -1669,7 +1671,12 @@ void hcd62121_cpu_device::execute_run()
break;
case 0xE3: /* movb reg,dsize */
m_reg[read_op() & 0x7f] = m_dsize;
{
u8 reg = read_op();
if (reg & 0x80)
fatalerror("%02x:%04x: unimplemented instruction %02x encountered with (arg & 0x80) != 0\n", m_cseg, m_ip-1, op);
m_reg[reg & 0x7f] = m_dsize;
}
break;
case 0xE4: /* movb reg,f */
@ -1719,9 +1726,7 @@ void hcd62121_cpu_device::execute_run()
case 0xF1: /* unk_F1 reg/i8 (out?) */
case 0xF3: /* unk_F3 reg/i8 (out?) */
case 0xF4: /* unk_F4 reg/i8 (out?) */
case 0xF5: /* unk_F5 reg/i8 (out?) */
case 0xF6: /* unk_F6 reg/i8 (out?) */
case 0xF7: /* unk_F7 reg/i8 (out?) */
logerror("%02x:%04x: unimplemented instruction %02x encountered\n", m_cseg, m_ip-1, op);
read_op();